X-Git-Url: https://git.saurik.com/redis.git/blobdiff_plain/b882056c93f3e3afe5fde9d62fb569ce30a76a76..632e4c09acad87b999dd944413ac5b75207de571:/src/redis-benchmark.c diff --git a/src/redis-benchmark.c b/src/redis-benchmark.c index 297ecc6c..618d9c03 100644 --- a/src/redis-benchmark.c +++ b/src/redis-benchmark.c @@ -40,22 +40,11 @@ #include #include "ae.h" -#include "anet.h" +#include "hiredis.h" #include "sds.h" #include "adlist.h" #include "zmalloc.h" -#define REPLY_INT 0 -#define REPLY_RETCODE 1 -#define REPLY_BULK 2 -#define REPLY_MBULK 3 - -#define CLIENT_CONNECTING 0 -#define CLIENT_SENDQUERY 1 -#define CLIENT_READREPLY 2 - -#define MAX_LATENCY 5000 - #define REDIS_NOTUSED(V) ((void) V) static struct config { @@ -71,10 +60,11 @@ static struct config { aeEventLoop *el; char *hostip; int hostport; + char *hostsocket; int keepalive; long long start; long long totlatency; - int *latency; + long long *latency; char *title; list *clients; int quiet; @@ -83,16 +73,13 @@ static struct config { } config; typedef struct _client { - int state; - int fd; + redisContext *context; sds obuf; - sds ibuf; - int mbulk; /* Number of elements in an mbulk reply */ - int readlen; /* readlen == -1 means read a single line */ - int totreceived; - unsigned int written; /* bytes of 'obuf' already written */ - int replytype; - long long start; /* start time in milliseconds */ + char *randptr[10]; /* needed for MSET against 10 keys */ + size_t randlen; + unsigned int written; /* bytes of 'obuf' already written */ + long long start; /* start time of a request */ + long long latency; /* request latency */ } *client; /* Prototypes */ @@ -100,6 +87,16 @@ static void writeHandler(aeEventLoop *el, int fd, void *privdata, int mask); static void createMissingClients(client c); /* Implementation */ +static long long ustime(void) { + struct timeval tv; + long long ust; + + gettimeofday(&tv, NULL); + ust = ((long)tv.tv_sec)*1000000; + ust += tv.tv_usec; + return ust; +} + static long long mstime(void) { struct timeval tv; long long mst; @@ -112,12 +109,10 @@ static long long mstime(void) { static void freeClient(client c) { listNode *ln; - - aeDeleteFileEvent(config.el,c->fd,AE_WRITABLE); - aeDeleteFileEvent(config.el,c->fd,AE_READABLE); - sdsfree(c->ibuf); + aeDeleteFileEvent(config.el,c->context->fd,AE_WRITABLE); + aeDeleteFileEvent(config.el,c->context->fd,AE_READABLE); + redisFree(c->context); sdsfree(c->obuf); - close(c->fd); zfree(c); config.liveclients--; ln = listSearchKey(config.clients,c); @@ -136,61 +131,24 @@ static void freeAllClients(void) { } static void resetClient(client c) { - aeDeleteFileEvent(config.el,c->fd,AE_WRITABLE); - aeDeleteFileEvent(config.el,c->fd,AE_READABLE); - aeCreateFileEvent(config.el,c->fd, AE_WRITABLE,writeHandler,c); - sdsfree(c->ibuf); - c->ibuf = sdsempty(); - c->readlen = (c->replytype == REPLY_BULK || - c->replytype == REPLY_MBULK) ? -1 : 0; - c->mbulk = -1; + aeDeleteFileEvent(config.el,c->context->fd,AE_WRITABLE); + aeDeleteFileEvent(config.el,c->context->fd,AE_READABLE); + aeCreateFileEvent(config.el,c->context->fd,AE_WRITABLE,writeHandler,c); c->written = 0; - c->totreceived = 0; - c->state = CLIENT_SENDQUERY; - c->start = mstime(); - createMissingClients(c); } static void randomizeClientKey(client c) { - char *p; char buf[32]; - long r; - - p = strstr(c->obuf, "_rand"); - if (!p) return; - p += 5; - r = random() % config.randomkeys_keyspacelen; - sprintf(buf,"%ld",r); - memcpy(p,buf,strlen(buf)); -} + size_t i, r; -static void prepareClientForReply(client c, int type) { - if (type == REPLY_BULK) { - c->replytype = REPLY_BULK; - c->readlen = -1; - } else if (type == REPLY_MBULK) { - c->replytype = REPLY_MBULK; - c->readlen = -1; - c->mbulk = -1; - } else { - c->replytype = type; - c->readlen = 0; + for (i = 0; i < c->randlen; i++) { + r = random() % config.randomkeys_keyspacelen; + snprintf(buf,sizeof(buf),"%012zu",r); + memcpy(c->randptr[i],buf,12); } } static void clientDone(client c) { - static int last_tot_received = 1; - - long long latency; - config.donerequests ++; - latency = mstime() - c->start; - if (latency > MAX_LATENCY) latency = MAX_LATENCY; - config.latency[latency]++; - - if (config.debug && last_tot_received != c->totreceived) { - printf("Tot bytes received: %d\n", c->totreceived); - last_tot_received = c->totreceived; - } if (config.donerequests == config.requests) { freeClient(c); aeStop(config.el); @@ -198,7 +156,6 @@ static void clientDone(client c) { } if (config.keepalive) { resetClient(c); - if (config.randomkeys) randomizeClientKey(c); } else { config.liveclients--; createMissingClients(c); @@ -207,139 +164,55 @@ static void clientDone(client c) { } } -/* Read a length from the buffer pointed to by *p, store the length in *len, - * and return the number of bytes that the cursor advanced. */ -static int readLen(char *p, int *len) { - char *tail = strstr(p,"\r\n"); - if (tail == NULL) - return 0; - *tail = '\0'; - *len = atoi(p+1); - return tail+2-p; -} - -static void readHandler(aeEventLoop *el, int fd, void *privdata, int mask) -{ - char buf[1024], *p; - int nread, pos=0, len=0; +static void readHandler(aeEventLoop *el, int fd, void *privdata, int mask) { client c = privdata; + void *reply = NULL; REDIS_NOTUSED(el); REDIS_NOTUSED(fd); REDIS_NOTUSED(mask); - nread = read(c->fd,buf,sizeof(buf)); - if (nread == -1) { - fprintf(stderr, "Reading from socket: %s\n", strerror(errno)); - freeClient(c); - return; - } - if (nread == 0) { - fprintf(stderr, "EOF from client\n"); - freeClient(c); - return; - } - c->totreceived += nread; - c->ibuf = sdscatlen(c->ibuf,buf,nread); - len = sdslen(c->ibuf); - - if (c->replytype == REPLY_INT || - c->replytype == REPLY_RETCODE) - { - /* Check if the first line is complete. This is everything we need - * when waiting for an integer or status code reply.*/ - if ((p = strstr(c->ibuf,"\r\n")) != NULL) - goto done; - } else if (c->replytype == REPLY_BULK) { - int advance = 0; - if (c->readlen < 0) { - advance = readLen(c->ibuf+pos,&c->readlen); - if (advance) { - pos += advance; - if (c->readlen == -1) { - goto done; - } else { - /* include the trailing \r\n */ - c->readlen += 2; - } - } else { - goto skip; - } - } + /* Calculate latency only for the first read event. This means that the + * server already sent the reply and we need to parse it. Parsing overhead + * is not part of the latency, so calculate it only once, here. */ + if (c->latency < 0) c->latency = ustime()-(c->start); - int canconsume; - if (c->readlen > 0) { - canconsume = c->readlen > (len-pos) ? (len-pos) : c->readlen; - c->readlen -= canconsume; - pos += canconsume; + if (redisBufferRead(c->context) != REDIS_OK) { + fprintf(stderr,"Error: %s\n",c->context->errstr); + exit(1); + } else { + if (redisGetReply(c->context,&reply) != REDIS_OK) { + fprintf(stderr,"Error: %s\n",c->context->errstr); + exit(1); } - - if (c->readlen == 0) - goto done; - } else if (c->replytype == REPLY_MBULK) { - int advance = 0; - if (c->mbulk == -1) { - advance = readLen(c->ibuf+pos,&c->mbulk); - if (advance) { - pos += advance; - if (c->mbulk == -1) - goto done; - } else { - goto skip; + if (reply != NULL) { + if (reply == (void*)REDIS_REPLY_ERROR) { + fprintf(stderr,"Unexpected error reply, exiting...\n"); + exit(1); } - } - int canconsume; - while(c->mbulk > 0 && pos < len) { - if (c->readlen > 0) { - canconsume = c->readlen > (len-pos) ? (len-pos) : c->readlen; - c->readlen -= canconsume; - pos += canconsume; - if (c->readlen == 0) - c->mbulk--; - } else { - advance = readLen(c->ibuf+pos,&c->readlen); - if (advance) { - pos += advance; - if (c->readlen == -1) { - c->mbulk--; - continue; - } else { - /* include the trailing \r\n */ - c->readlen += 2; - } - } else { - goto skip; - } - } + if (config.donerequests < config.requests) + config.latency[config.donerequests++] = c->latency; + clientDone(c); } - - if (c->mbulk == 0) - goto done; } - -skip: - c->ibuf = sdsrange(c->ibuf,pos,-1); - return; -done: - clientDone(c); - return; } -static void writeHandler(aeEventLoop *el, int fd, void *privdata, int mask) -{ +static void writeHandler(aeEventLoop *el, int fd, void *privdata, int mask) { client c = privdata; REDIS_NOTUSED(el); REDIS_NOTUSED(fd); REDIS_NOTUSED(mask); - if (c->state == CLIENT_CONNECTING) { - c->state = CLIENT_SENDQUERY; - c->start = mstime(); + /* When nothing was written yet, randomize keys and set start time. */ + if (c->written == 0) { + if (config.randomkeys) randomizeClientKey(c); + c->start = ustime(); + c->latency = -1; } + if (sdslen(c->obuf) > c->written) { void *ptr = c->obuf+c->written; - int len = sdslen(c->obuf) - c->written; - int nwritten = write(c->fd, ptr, len); + int nwritten = write(c->context->fd,ptr,sdslen(c->obuf)-c->written); if (nwritten == -1) { if (errno != EPIPE) fprintf(stderr, "Writing to socket: %s\n", strerror(errno)); @@ -348,50 +221,70 @@ static void writeHandler(aeEventLoop *el, int fd, void *privdata, int mask) } c->written += nwritten; if (sdslen(c->obuf) == c->written) { - aeDeleteFileEvent(config.el,c->fd,AE_WRITABLE); - aeCreateFileEvent(config.el,c->fd,AE_READABLE,readHandler,c); - c->state = CLIENT_READREPLY; + aeDeleteFileEvent(config.el,c->context->fd,AE_WRITABLE); + aeCreateFileEvent(config.el,c->context->fd,AE_READABLE,readHandler,c); } } } -static client createClient(void) { +static client createClient(char *cmd, int len) { client c = zmalloc(sizeof(struct _client)); - char err[ANET_ERR_LEN]; - - c->fd = anetTcpNonBlockConnect(err,config.hostip,config.hostport); - if (c->fd == ANET_ERR) { - zfree(c); - fprintf(stderr,"Connect: %s\n",err); - return NULL; + if (config.hostsocket == NULL) { + c->context = redisConnectNonBlock(config.hostip,config.hostport); + } else { + c->context = redisConnectUnixNonBlock(config.hostsocket); + } + if (c->context->err) { + fprintf(stderr,"Could not connect to Redis at "); + if (config.hostsocket == NULL) + fprintf(stderr,"%s:%d: %s\n",config.hostip,config.hostport,c->context->errstr); + else + fprintf(stderr,"%s: %s\n",config.hostsocket,c->context->errstr); + exit(1); } - anetTcpNoDelay(NULL,c->fd); - c->obuf = sdsempty(); - c->ibuf = sdsempty(); - c->mbulk = -1; - c->readlen = 0; + c->obuf = sdsnewlen(cmd,len); + c->randlen = 0; c->written = 0; - c->totreceived = 0; - c->state = CLIENT_CONNECTING; - aeCreateFileEvent(config.el, c->fd, AE_WRITABLE, writeHandler, c); - config.liveclients++; + + /* Find substrings in the output buffer that need to be randomized. */ + if (config.randomkeys) { + char *p = c->obuf, *newline; + while ((p = strstr(p,":rand:")) != NULL) { + newline = strstr(p,"\r\n"); + assert(newline-(p+6) == 12); /* 12 chars for randomness */ + assert(c->randlen < (signed)(sizeof(c->randptr)/sizeof(char*))); + c->randptr[c->randlen++] = p+6; + p = newline+2; + } + } + + redisSetReplyObjectFunctions(c->context,NULL); + aeCreateFileEvent(config.el,c->context->fd,AE_WRITABLE,writeHandler,c); listAddNodeTail(config.clients,c); + config.liveclients++; return c; } static void createMissingClients(client c) { + int n = 0; + while(config.liveclients < config.numclients) { - client new = createClient(); - if (!new) continue; - sdsfree(new->obuf); - new->obuf = sdsdup(c->obuf); - if (config.randomkeys) randomizeClientKey(c); - prepareClientForReply(new,c->replytype); + createClient(c->obuf,sdslen(c->obuf)); + + /* Listen backlog is quite limited on most systems */ + if (++n > 64) { + usleep(50000); + n = 0; + } } } +static int compareLatency(const void *a, const void *b) { + return (*(long long*)a)-(*(long long*)b); +} + static void showLatencyReport(void) { - int j, seen = 0; + int i, curlat = 0; float perc, reqpersec; reqpersec = (float)config.donerequests/((float)config.totlatency/1000); @@ -403,11 +296,13 @@ static void showLatencyReport(void) { printf(" %d bytes payload\n", config.datasize); printf(" keep alive: %d\n", config.keepalive); printf("\n"); - for (j = 0; j <= MAX_LATENCY; j++) { - if (config.latency[j]) { - seen += config.latency[j]; - perc = ((float)seen*100)/config.donerequests; - printf("%.2f%% <= %d milliseconds\n", perc, j); + + qsort(config.latency,config.requests,sizeof(long long),compareLatency); + for (i = 0; i < config.requests; i++) { + if (config.latency[i]/1000 != curlat || i == (config.requests-1)) { + curlat = config.latency[i]/1000; + perc = ((float)(i+1)*100)/config.requests; + printf("%.2f%% <= %d milliseconds\n", perc, curlat); } } printf("%.2f requests per second\n\n", reqpersec); @@ -416,15 +311,19 @@ static void showLatencyReport(void) { } } -static void prepareForBenchmark(char *title) { - memset(config.latency,0,sizeof(int)*(MAX_LATENCY+1)); +static void benchmark(char *title, char *cmd, int len) { + client c; + config.title = title; - config.start = mstime(); config.donerequests = 0; -} -static void endBenchmark(void) { + c = createClient(cmd,len); + createMissingClients(c); + + config.start = mstime(); + aeMain(config.el); config.totlatency = mstime()-config.start; + showLatencyReport(); freeAllClients(); } @@ -445,16 +344,14 @@ void parseOptions(int argc, char **argv) { config.keepalive = atoi(argv[i+1]); i++; } else if (!strcmp(argv[i],"-h") && !lastarg) { - char *ip = zmalloc(32); - if (anetResolve(NULL,argv[i+1],ip) == ANET_ERR) { - printf("Can't resolve %s\n", argv[i]); - exit(1); - } - config.hostip = ip; + config.hostip = argv[i+1]; i++; } else if (!strcmp(argv[i],"-p") && !lastarg) { config.hostport = atoi(argv[i+1]); i++; + } else if (!strcmp(argv[i],"-s") && !lastarg) { + config.hostsocket = argv[i+1]; + i++; } else if (!strcmp(argv[i],"-d") && !lastarg) { config.datasize = atoi(argv[i+1]); i++; @@ -478,7 +375,8 @@ void parseOptions(int argc, char **argv) { printf("Wrong option '%s' or option argument missing\n\n",argv[i]); printf("Usage: redis-benchmark [-h ] [-p ] [-c ] [-n [-k ]\n\n"); printf(" -h Server hostname (default 127.0.0.1)\n"); - printf(" -p Server port (default 6379)\n"); + printf(" -p Server port (default 6379)\n"); + printf(" -s Server socket (overrides host and port)\n"); printf(" -c Number of parallel connections (default 50)\n"); printf(" -n Total number of requests (default 10000)\n"); printf(" -d Data size of SET/GET value in bytes (default 2)\n"); @@ -512,6 +410,7 @@ int showThroughput(struct aeEventLoop *eventLoop, long long id, void *clientData } int main(int argc, char **argv) { + int i; client c; signal(SIGHUP, SIG_IGN); @@ -533,12 +432,12 @@ int main(int argc, char **argv) { config.idlemode = 0; config.latency = NULL; config.clients = listCreate(); - config.latency = zmalloc(sizeof(int)*(MAX_LATENCY+1)); - config.hostip = "127.0.0.1"; config.hostport = 6379; + config.hostsocket = NULL; parseOptions(argc,argv); + config.latency = zmalloc(sizeof(long long)*config.requests); if (config.keepalive == 0) { printf("WARNING: keepalive disabled, you probably need 'echo 1 > /proc/sys/net/ipv4/tcp_tw_reuse' for Linux and 'sudo sysctl -w net.inet.tcp.msl=1000' for Mac OS X in order to use a lot of clients/requests\n"); @@ -546,149 +445,83 @@ int main(int argc, char **argv) { if (config.idlemode) { printf("Creating %d idle connections and waiting forever (Ctrl+C when done)\n", config.numclients); - prepareForBenchmark("IDLE"); - c = createClient(); - if (!c) exit(1); - c->obuf = sdsempty(); - prepareClientForReply(c,REPLY_RETCODE); /* will never receive it */ + c = createClient("",0); /* will never receive a reply */ createMissingClients(c); aeMain(config.el); /* and will wait for every */ } do { - prepareForBenchmark("PING"); - c = createClient(); - if (!c) exit(1); - c->obuf = sdscat(c->obuf,"PING\r\n"); - prepareClientForReply(c,REPLY_RETCODE); - createMissingClients(c); - aeMain(config.el); - endBenchmark(); + char *data, *cmd; + int len; - prepareForBenchmark("PING (multi bulk)"); - c = createClient(); - if (!c) exit(1); - c->obuf = sdscat(c->obuf,"*1\r\n$4\r\nPING\r\n"); - prepareClientForReply(c,REPLY_RETCODE); - createMissingClients(c); - aeMain(config.el); - endBenchmark(); - - prepareForBenchmark("SET"); - c = createClient(); - if (!c) exit(1); - c->obuf = sdscatprintf(c->obuf,"SET foo_rand000000000000 %d\r\n",config.datasize); - { - char *data = zmalloc(config.datasize+2); - memset(data,'x',config.datasize); - data[config.datasize] = '\r'; - data[config.datasize+1] = '\n'; - c->obuf = sdscatlen(c->obuf,data,config.datasize+2); + data = zmalloc(config.datasize+1); + memset(data,'x',config.datasize); + data[config.datasize] = '\0'; + + benchmark("PING (inline)","PING\r\n",6); + + len = redisFormatCommand(&cmd,"PING"); + benchmark("PING",cmd,len); + free(cmd); + + const char *argv[21]; + argv[0] = "MSET"; + for (i = 1; i < 21; i += 2) { + argv[i] = "foo:rand:000000000000"; + argv[i+1] = data; } - prepareClientForReply(c,REPLY_RETCODE); - createMissingClients(c); - aeMain(config.el); - endBenchmark(); + len = redisFormatCommandArgv(&cmd,21,argv,NULL); + benchmark("MSET (10 keys)",cmd,len); + free(cmd); - prepareForBenchmark("GET"); - c = createClient(); - if (!c) exit(1); - c->obuf = sdscat(c->obuf,"GET foo_rand000000000000\r\n"); - prepareClientForReply(c,REPLY_BULK); - createMissingClients(c); - aeMain(config.el); - endBenchmark(); + len = redisFormatCommand(&cmd,"SET foo:rand:000000000000 %s",data); + benchmark("SET",cmd,len); + free(cmd); - prepareForBenchmark("INCR"); - c = createClient(); - if (!c) exit(1); - c->obuf = sdscat(c->obuf,"INCR counter_rand000000000000\r\n"); - prepareClientForReply(c,REPLY_INT); - createMissingClients(c); - aeMain(config.el); - endBenchmark(); + len = redisFormatCommand(&cmd,"GET foo:rand:000000000000"); + benchmark("GET",cmd,len); + free(cmd); - prepareForBenchmark("LPUSH"); - c = createClient(); - if (!c) exit(1); - c->obuf = sdscat(c->obuf,"LPUSH mylist 3\r\nbar\r\n"); - prepareClientForReply(c,REPLY_INT); - createMissingClients(c); - aeMain(config.el); - endBenchmark(); + len = redisFormatCommand(&cmd,"INCR counter:rand:000000000000"); + benchmark("INCR",cmd,len); + free(cmd); - prepareForBenchmark("LPOP"); - c = createClient(); - if (!c) exit(1); - c->obuf = sdscat(c->obuf,"LPOP mylist\r\n"); - prepareClientForReply(c,REPLY_BULK); - createMissingClients(c); - aeMain(config.el); - endBenchmark(); + len = redisFormatCommand(&cmd,"LPUSH mylist %s",data); + benchmark("LPUSH",cmd,len); + free(cmd); - prepareForBenchmark("SADD"); - c = createClient(); - if (!c) exit(1); - c->obuf = sdscat(c->obuf,"SADD myset 24\r\ncounter_rand000000000000\r\n"); - prepareClientForReply(c,REPLY_RETCODE); - createMissingClients(c); - aeMain(config.el); - endBenchmark(); + len = redisFormatCommand(&cmd,"LPOP mylist"); + benchmark("LPOP",cmd,len); + free(cmd); - prepareForBenchmark("SPOP"); - c = createClient(); - if (!c) exit(1); - c->obuf = sdscat(c->obuf,"SPOP myset\r\n"); - prepareClientForReply(c,REPLY_BULK); - createMissingClients(c); - aeMain(config.el); - endBenchmark(); + len = redisFormatCommand(&cmd,"SADD myset counter:rand:000000000000"); + benchmark("SADD",cmd,len); + free(cmd); - prepareForBenchmark("LPUSH (again, in order to bench LRANGE)"); - c = createClient(); - if (!c) exit(1); - c->obuf = sdscat(c->obuf,"LPUSH mylist 3\r\nbar\r\n"); - prepareClientForReply(c,REPLY_RETCODE); - createMissingClients(c); - aeMain(config.el); - endBenchmark(); + len = redisFormatCommand(&cmd,"SPOP myset"); + benchmark("SPOP",cmd,len); + free(cmd); - prepareForBenchmark("LRANGE (first 100 elements)"); - c = createClient(); - if (!c) exit(1); - c->obuf = sdscat(c->obuf,"LRANGE mylist 0 99\r\n"); - prepareClientForReply(c,REPLY_MBULK); - createMissingClients(c); - aeMain(config.el); - endBenchmark(); + len = redisFormatCommand(&cmd,"LPUSH mylist %s",data); + benchmark("LPUSH (again, in order to bench LRANGE)",cmd,len); + free(cmd); - prepareForBenchmark("LRANGE (first 300 elements)"); - c = createClient(); - if (!c) exit(1); - c->obuf = sdscat(c->obuf,"LRANGE mylist 0 299\r\n"); - prepareClientForReply(c,REPLY_MBULK); - createMissingClients(c); - aeMain(config.el); - endBenchmark(); + len = redisFormatCommand(&cmd,"LRANGE mylist 0 99"); + benchmark("LRANGE (first 100 elements)",cmd,len); + free(cmd); - prepareForBenchmark("LRANGE (first 450 elements)"); - c = createClient(); - if (!c) exit(1); - c->obuf = sdscat(c->obuf,"LRANGE mylist 0 449\r\n"); - prepareClientForReply(c,REPLY_MBULK); - createMissingClients(c); - aeMain(config.el); - endBenchmark(); + len = redisFormatCommand(&cmd,"LRANGE mylist 0 299"); + benchmark("LRANGE (first 300 elements)",cmd,len); + free(cmd); - prepareForBenchmark("LRANGE (first 600 elements)"); - c = createClient(); - if (!c) exit(1); - c->obuf = sdscat(c->obuf,"LRANGE mylist 0 599\r\n"); - prepareClientForReply(c,REPLY_MBULK); - createMissingClients(c); - aeMain(config.el); - endBenchmark(); + len = redisFormatCommand(&cmd,"LRANGE mylist 0 449"); + benchmark("LRANGE (first 450 elements)",cmd,len); + free(cmd); + + len = redisFormatCommand(&cmd,"LRANGE mylist 0 599"); + benchmark("LRANGE (first 600 elements)",cmd,len); + free(cmd); printf("\n"); } while(config.loop);